NGC2242
15.2mag 22"
2022.Dec.18 etc. C14 35cmF11+reducer F7 Mono: ASI294MM 3sec*189 + IDAS NB1 filter 5sec*1403, RGB: Baader Planetarium RGB filter R:10sec*248, G:10sec*171+5sec*399, B:10sec*229 total 267.6min
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